code: def testInputSignature(self):
      dataset = dataset_ops.Dataset.from_tensor_slices(
          np.arange(10).astype(np.int32)
      ).batch(5)
  
      @def_function.function(
          input_signature=[
              dataset_ops.DatasetSpec(
                  tensor_spec.TensorSpec(
                      shape=(None,), dtype=dtypes.int32, name=None
                  ),
                  tensor_shape.TensorShape([]),
              )
          ]
      )
      def fn(_):
          pass
  
      fn(dataset)
  
file_path: tensorflow/tensorflow/python/data/kernel_tests/dataset_spec_test.py
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the DatasetSpecTest obj's underlying member method code with example usage: obj.testInputSignature() without return types